Run results for: Includes vs Some vs IndexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0

Browser: Firefox 83

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Includes	29257490.0 Ops/sec
Some	38724724.0 Ops/sec
IndexOf	44026620.0 Ops/sec

Script Preparation code:

var arr = [];
arr.push('A');
arr.push('B');
arr.push('C');
arr.push('D');
arr.push('E');
arr.push('F');
arr.push('G');
arr.push('H');
arr.push('I');

Tests:

Includes
var tempResult = arr.includes(v => v === 'E');
Some
var tempResult = arr.some(v => v === 'E');
IndexOf
var tempResult = arr.indexOf('E') > -1;